25 psi in cylinder, engine running rough and gas smell.
Oct 2, 2020 at 5:51 AM
misfire cylinder four
2008 CHEVROLET TAHOE
SHERMAN SIMMONS
- MEMBER
- 1 POST
Advertisement
ASEMASTER6371
- ✓ASE Certified Mechanic
- 52,796 POSTS
Good afternoon,
This reading indicates you may have either burned valves or bad rings.
https://www.2carpros.com/articles/the-reasons-for-low-compression
https://www.2carpros.com/articles/replace-engine-piston-rings
The heads will have to removed to determine the failure.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Roy
This reading indicates you may have either burned valves or bad rings.
https://www.2carpros.com/articles/the-reasons-for-low-compression
https://www.2carpros.com/articles/replace-engine-piston-rings
The heads will have to removed to determine the failure.
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Roy
Oct 2, 2020 at 9:36 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.